Restored regularization at LLE

shogun-toolbox · Sep 19, 2011 · a176859 · a176859
1 parent f694cb6
commit a176859
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/shogun/preprocessor/LocallyLinearEmbedding.cpp b/src/shogun/preprocessor/LocallyLinearEmbedding.cpp
@@ -330,7 +330,7 @@ SGMatrix<float64_t> CLocallyLinearEmbedding::find_null_space(SGMatrix<float64_t>
 		// using ARPACK (faster)
 		eigenvalues_vector = SG_MALLOC(float64_t, dimension+1);
 		#ifdef HAVE_ARPACK
-		arpack_dsaeupd_wrap(matrix.matrix,NULL,N,dimension+1,"LA",3,m_posdef,0.0, 0.0,
+		arpack_dsaeupd_wrap(matrix.matrix,NULL,N,dimension+1,"LA",3,m_posdef,-1e-9,0.0,
 		                    eigenvalues_vector,matrix.matrix,eigenproblem_status);
 		#endif
 	}